> ## Content Index
> Fetch the complete content index at: https://hacktoria.com/llms.txt
> Use this file to discover other available public pages before exploring further.

# 20.08.2026 - Angle of Ascent 🛫
- URL: https://hacktoria.com/20-08-2026-angle-of-ascent/
- Published: 2026-08-20T19:38:00.000Z
- Updated: 2026-08-24T20:12:33.000Z
- Author: Julia Sharpe
- Tags: Practice

This OSINT challenge was made by "briatlon" in the Hacktoria Discord.

**Description:** This aircraft was captured moments after takeoff. Identify the airport and the plane, then trace its exact flight and determine its arrival gate at its destination. 

**Flag format:** `Hacktoria{ICAO_CALLSIGN_ARRIVAL_GATE}`, e

**Example**: `Hacktoria{ABC12A_A12}`

![](https://storage.ghost.io/c/e6/2e/e62eae9f-a79f-46be-ac8a-229291d9f459/content/images/2026/08/takeoff.webp)

---

## Answer and Write-Up

### Lost *—* 8/20/26, 22:31

Hacktoria{KLM46Z\_B20}

[Hacktoria ‘Angle of Ascent’ Walkthrough — Skråfoto GEOINTGEOINT writeup: identify Billund from ICAO runway geometry, pull a to-the-second timestamp from Denmark’s Skråfoto archive, and match it to one KLM departure.![](https://storage.ghost.io/c/e6/2e/e62eae9f-a79f-46be-ac8a-229291d9f459/content/images/icon/fav-9aade903-b572-49cf-941f-83362d0c72c0.png)SPURIASPURIA![](https://storage.ghost.io/c/e6/2e/e62eae9f-a79f-46be-ac8a-229291d9f459/content/images/thumbnail/cover.zD5w6dYa_SRLH6-2192988a-b107-47db-a35c-3b1dcc83e3da.jpeg)](https://blog.spuria.app/writeups/angle-of-ascent-billund-klm-takeoff/?ref=hacktoria.com)